People visit the 4th China International Import Expo (CIIE) in East China's Shanghai, Nov 5, 2021. [Photo/Xinhua]

Editor's note: The China International Import Expo, the world's first import-themed national-level exhibition, concluded its fourth edition on Nov 10. The success of the CIIE has once again demonstrated the confidence of countries around the world in China's high-level opening-up and common expectation for building an open world economy.